{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:5YOQO7PPKWI522ON64AISWEYP2","short_pith_number":"pith:5YOQO7PP","canonical_record":{"source":{"id":"1212.1009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-05T12:32:17Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"7da3d588ffe6f2639676801d71ceff7dc24e99349a6e24ee4c9103c0c0ee005b","abstract_canon_sha256":"a820f7d800f9cf259edeb9f43eaa5cc02849cb140d012817dbe2ab61fec69695"},"schema_version":"1.0"},"canonical_sha256":"ee1d077def5591dd69cdf7008958987ea8ffe11caa82ed44b0616c14a6768d79","source":{"kind":"arxiv","id":"1212.1009","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1009","created_at":"2026-05-18T03:39:06Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1009v1","created_at":"2026-05-18T03:39:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1009","created_at":"2026-05-18T03:39:06Z"},{"alias_kind":"pith_short_12","alias_value":"5YOQO7PPKWI5","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5YOQO7PPKWI522ON","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5YOQO7PP","created_at":"2026-05-18T12:26:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:5YOQO7PPKWI522ON64AISWEYP2","target":"record","payload":{"canonical_record":{"source":{"id":"1212.1009","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-05T12:32:17Z","cross_cats_sorted":["physics.ao-ph"],"title_canon_sha256":"7da3d588ffe6f2639676801d71ceff7dc24e99349a6e24ee4c9103c0c0ee005b","abstract_canon_sha256":"a820f7d800f9cf259edeb9f43eaa5cc02849cb140d012817dbe2ab61fec69695"},"schema_version":"1.0"},"canonical_sha256":"ee1d077def5591dd69cdf7008958987ea8ffe11caa82ed44b0616c14a6768d79","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:39:06.673065Z","signature_b64":"bEG3LL2vZLAN8NHfVbiTWbnsQ/EA81sE1f0lHn+qzz8gDOpu/VwrLr/Q/79umU0kxWQFQQBHf0trcewktihaCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ee1d077def5591dd69cdf7008958987ea8ffe11caa82ed44b0616c14a6768d79","last_reissued_at":"2026-05-18T03:39:06.672275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:39:06.672275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.1009","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:39:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i76mMAq9PQyPEu+X6l64LKzmn4pSlW+Z7dmQpwC/roaaOlQ4KXu00lvx1JkTUdX6+EijzVP1nD4SdpjKktUMBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:31:37.545072Z"},"content_sha256":"778fbd882a0a4c1b5984319aed7f6edb78f11fc7949b813ff1b95461f77c9c1c","schema_version":"1.0","event_id":"sha256:778fbd882a0a4c1b5984319aed7f6edb78f11fc7949b813ff1b95461f77c9c1c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:5YOQO7PPKWI522ON64AISWEYP2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ground-based near-infrared observations of water vapour in the Venus troposphere","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ao-ph"],"primary_cat":"astro-ph.EP","authors_text":"D. Crisp, J. A. Bailey, S. Chamberlain, V. S. Meadows","submitted_at":"2012-12-05T12:32:17Z","abstract_excerpt":"We present a study of water vapour in the Venus troposphere obtained by modelling specific water vapour absorption bands within the 1.18 \\mu m window. We compare the results with the normal technique of obtaining the abundance by matching the peak of the 1.18 \\mu m window. Ground-based infrared imaging spectroscopy of the night side of Venus was obtained with the Anglo-Australian Telescope and IRIS2 instrument with a spectral resolving power of R ~ 2400. The spectra have been fitted with modelled spectra simulated using the radiative transfer model VSTAR. We find a best fit abundance of 31 ppm"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1009","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:39:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+r06RtNkJoMDMYN5nCqnRHvr0k4ox+iJSoPkIVHKh46103hkDohcOc/Qne16xZjgIGk1j5JyofNAlh3b4tq6BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T16:31:37.545706Z"},"content_sha256":"6ea4c15fb272982363ce4990df0d22268fd8d64b20d7c638d66e78875fa006e9","schema_version":"1.0","event_id":"sha256:6ea4c15fb272982363ce4990df0d22268fd8d64b20d7c638d66e78875fa006e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5YOQO7PPKWI522ON64AISWEYP2/bundle.json","state_url":"https://pith.science/pith/5YOQO7PPKWI522ON64AISWEYP2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5YOQO7PPKWI522ON64AISWEYP2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-28T16:31:37Z","links":{"resolver":"https://pith.science/pith/5YOQO7PPKWI522ON64AISWEYP2","bundle":"https://pith.science/pith/5YOQO7PPKWI522ON64AISWEYP2/bundle.json","state":"https://pith.science/pith/5YOQO7PPKWI522ON64AISWEYP2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5YOQO7PPKWI522ON64AISWEYP2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:5YOQO7PPKWI522ON64AISWEYP2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"a820f7d800f9cf259edeb9f43eaa5cc02849cb140d012817dbe2ab61fec69695","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-05T12:32:17Z","title_canon_sha256":"7da3d588ffe6f2639676801d71ceff7dc24e99349a6e24ee4c9103c0c0ee005b"},"schema_version":"1.0","source":{"id":"1212.1009","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.1009","created_at":"2026-05-18T03:39:06Z"},{"alias_kind":"arxiv_version","alias_value":"1212.1009v1","created_at":"2026-05-18T03:39:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.1009","created_at":"2026-05-18T03:39:06Z"},{"alias_kind":"pith_short_12","alias_value":"5YOQO7PPKWI5","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_16","alias_value":"5YOQO7PPKWI522ON","created_at":"2026-05-18T12:26:56Z"},{"alias_kind":"pith_short_8","alias_value":"5YOQO7PP","created_at":"2026-05-18T12:26:56Z"}],"graph_snapshots":[{"event_id":"sha256:6ea4c15fb272982363ce4990df0d22268fd8d64b20d7c638d66e78875fa006e9","target":"graph","created_at":"2026-05-18T03:39:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present a study of water vapour in the Venus troposphere obtained by modelling specific water vapour absorption bands within the 1.18 \\mu m window. We compare the results with the normal technique of obtaining the abundance by matching the peak of the 1.18 \\mu m window. Ground-based infrared imaging spectroscopy of the night side of Venus was obtained with the Anglo-Australian Telescope and IRIS2 instrument with a spectral resolving power of R ~ 2400. The spectra have been fitted with modelled spectra simulated using the radiative transfer model VSTAR. We find a best fit abundance of 31 ppm","authors_text":"D. Crisp, J. A. Bailey, S. Chamberlain, V. S. Meadows","cross_cats":["physics.ao-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-05T12:32:17Z","title":"Ground-based near-infrared observations of water vapour in the Venus troposphere"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.1009","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:778fbd882a0a4c1b5984319aed7f6edb78f11fc7949b813ff1b95461f77c9c1c","target":"record","created_at":"2026-05-18T03:39:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"a820f7d800f9cf259edeb9f43eaa5cc02849cb140d012817dbe2ab61fec69695","cross_cats_sorted":["physics.ao-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2012-12-05T12:32:17Z","title_canon_sha256":"7da3d588ffe6f2639676801d71ceff7dc24e99349a6e24ee4c9103c0c0ee005b"},"schema_version":"1.0","source":{"id":"1212.1009","kind":"arxiv","version":1}},"canonical_sha256":"ee1d077def5591dd69cdf7008958987ea8ffe11caa82ed44b0616c14a6768d79","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ee1d077def5591dd69cdf7008958987ea8ffe11caa82ed44b0616c14a6768d79","first_computed_at":"2026-05-18T03:39:06.672275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:39:06.672275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bEG3LL2vZLAN8NHfVbiTWbnsQ/EA81sE1f0lHn+qzz8gDOpu/VwrLr/Q/79umU0kxWQFQQBHf0trcewktihaCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:39:06.673065Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.1009","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:778fbd882a0a4c1b5984319aed7f6edb78f11fc7949b813ff1b95461f77c9c1c","sha256:6ea4c15fb272982363ce4990df0d22268fd8d64b20d7c638d66e78875fa006e9"],"state_sha256":"c4b92c38b9774c107ae9644c4983074236bba1701a0c37553708494fe799f863"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yoW/HnedIbB8r8LioDe7amIUhOobH1xQBDU2yf4tbs3l5hQz53V1iD4nNFGPen8/sxYGZQkw0bPdewwp8eULCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T16:31:37.548851Z","bundle_sha256":"1b360ff5bae96d934af290a678a28a8a58f1caec370f5c1cd8d7238f5d3817eb"}}